Shibuya RH1531 Operator's Instruction Manual

Brand: Shibuya

Model: RH1531

Type: Operator's Instruction Manual

Shibuya RH1531 is a powerful and versatile hand held core drill designed for both wet and dry core drilling. It features a 110-120V motor and variable speed control, making it suitable for a wide range of drilling applications.

The RH1531 has a number of features that make it easy and safe to use. These include a side handle for added stability, a built-in water supply for wet drilling, a safety switch to prevent accidental starts, and a carrying case for easy transportation.

OPERATORS INSTRUCTION MANUAL

COMPLETE WITH PARTS LIST & DRAWING

HAND HELD CORE DRILL: RH1531

WARNING!!

Be sure to read and understand this manual thoroughly before

starting operation.

Save this manual carefully for future reference.

SHIBUYA COMPANY，LTD

5-86 MOKUZAIKO-KITA, HATSUKAICHI

HIROSHIMA 738-0021 JAPAN

TEL: +81-829-34-4510

Distributed by

For Parts and Service Call

Toll Free: 1-866-688-1032

Tel: 816-246-5515

www.diteq.com

U.S. Revision Date 8-24-12 AC110-120V USA

IMPORTANT NOTICE

WARNING!!

Improper use of the equipment and machine may cause serious or fatal injury.

Read, understand and follow carefully the operating and safety instructions in this

manual before using the core drilling equipment.

WARNING!!

This machine is for wet & dry core drilling. Never use it for any other purpose.

WARNING!!

drawings in this manual, and duplication without prior permission of Shibuya

Company, Ltd. is prohibited.

LIMITED WARRANTY

Every Shibuya Core Drilling Machine is thoroughly inspected and tested before leaving the factory. Should

any trouble develop, return the complete machine prepaid to your nearest Shibuya authorized dealer. If

inspection shows the trouble is caused by defective workmanship or material, all repairs will be made

without charge and the machine will be returned.

This warranty does not apply where;

(1) Repairs or attempted repairs have been made by persons other than Shibuya’s authorized dealer.

(2) Repairs are required because of normal wear.

(3) The machine has been misused or involved in an accident.

(4) Misuse is evident such as caused by overloading the Machine beyond its rated capacity.

(5) The machine has been used after partial failure or normal wear.

(6) The machine has been used with improper accessory.

(7) The machine expires its warranty period of 1 year upon receipt of the machine.

No other warranty, written or verbal is authorized.

OBJECT OF THIS MANUAL AND ITS OUTLINE

The object of this manual is to provide the detailed necessary information, in order to operate the machine in

proper way. This manual includes the following information.

1. SAFETY

Be sure to read this chapter before starting operation. In this chapter, the meanings of symbol marks for safety, and the safety

precautions that must be obeyed to are explained.

2. GENERAL DESCRIPTION & SPECIFICATIONS

In this chapter, the purpose of this machine, name of the parts, and specifications are explained.

3. UNPACKING

In this chapter, caution at the unpacking is explained.

4. GROUNDING INSTRUCTION

In this chapter, how to make a proper grounding and choice of proper plugs are explained.

5. PORTABLE RESIDUAL CURRENT DEVICE (PRCD)

In this chapter, how to use the Portable Residual Current Device (PRCD) is explained.

6. FEATURES OF THIS MACHINE

In this chapter, this machine’s unique features are explained.

7. HOW TO OPERATE THIS MACHINE

In this chapter, installation of this Drill Motor, and how to operate the machine are explained.

8. MAINTENANCE

In this chapter, how to make a proper maintenance of the machine and how to adjust the machine are explained.

9. CLEANING

In this chapter, cautions at cleaning are explained.

10. STORAGE

11. DAILY INSPECTION

In this chapter, what should be inspected before starting the operation is explained.

12. TROUBLESHOOTING

In this chapter, what countermeasures you should take are explained for any troubles you may encounter.

13. SCHEMATIC DRAWINGS WITH SPARE PARTS LISTS

14. ANNEX DIMENSIONS with OPTIONAL DRILL STAND

INDEX

IMPORTANT NOTICE 1

LIMITED WARRANTY 1

OBJECT OF THIS MANUAL AND ITS OUTLINE 2

INDEX 2

1.0 SAFETY 3

1.1 THE MEANING OF THE SYMBOL MARKS 3

1.2 SAFETY PRECAUSTIONS 3-4

1.3 IMPORTANT OPERATING INSTRUCTIONS 4

2.0 GENERAL DESCRIPTION & SPECIFICATIONS 5

2.1 GENERAL DESCRIPTION 5

2.2 SPECIFICATIONS 5

2.3 STANDARD ACCESSORIES 5

3.0 UNPACKING 6

4.0 GROUNDING INSTRUCTION 6

5.0 PORTABLE RESIDUAL CURRENT DEVICE (PRCD) 6

6.0 FEATURE OF THIS MACHINE 7

7.0 HOW TO OPERATE THIS MACHINE 8

7.1 INSTALLATION OF SIDE HANDLE 8

7.2 CHOOSE PROPER REVOLUTION SPEED 8

7.3 ATTACH CORE BIT 8

7.4 PREPARATION FOR WATER SUPPLY (WET DRILLING) 9

7.5 PREPARATION FOR DRY DRILLING 9

7.6 PRECAUTION BEFORE OPERATION 9

7.7 OPERATING PROCEDURE BY HAND HELD 10

7.8 OPERATING PROCEDURE WITH DRILL STAND 10-11

8.0 MAINTENANCE 11

8.1 REPLACEMENT OF CARBON BRUSHES 11

8.2 REPLACEMENT OF OIL SEAL 12

9.0 CLEANING 12

10.0 STORAGE 12

11.0 DAILY INSPECTION 12

11.2 OTHER INSPECTION 13

12.0 TROUBLESHOOTING 13

13.0 SCHEMATIC DRAWINGS WITH SPARE PARTS LISTS 14-16

14.0 Annex DIMENSIONS WITH OPTIONAL DRILL STAND 17-18

SAFETY

1.0 SAFETY

The safety precautions that must be obeyed are explained in this chapter.

WARNING!!

Be sure to obey the instructions written in this manual, when you operate the machine. If you have any

questions, please feel free to contact Shibuya’s authorized dealers.

1.1 THE MEANING OF THE SYMBOL MARKS

In this manual, warning signs are classified into four levels based on the level of potential risks.

DANGER!!! : This mark indicates the imminent risks that lead to death or serious injury for the

operators and others, unless the safety instruction is observed.

WARNING!! : This mark indicates the potential risks that may lead to death or serious injury for the

operators and others, unless the safety instruction is observed.

CAUTION! : This mark indicates the potential risks that lead to injury for the operators and others,

unless the safety instruction is observed.

NOTE: This mark is used for the information that is necessary for you to know.

1.2 SAFETY PRECAUTIONS

DANGER!!!

The following instructions are essential safety measures that you must take.

Unless observed, improper way of use leads to death or serious injury of yourselves or others.

[1] Know your machine. Read carefully this manual and also a manual of the Drill Stand to be used with this Drill Motor in

order to learn the application of the machine and the limitations as well as potential hazards associated with the machine.

[2] During the operation, the Core-Bit rotates with very high speed. Do not wear loose clothing, dangling objects, rings, and

jewelry to eliminate the risk in which the operator gets caught in the moving parts such as the Core-Bit. Keep your face

away from the air inlet, outlet of the motor. Long hair must be tied up.

[3] Always wear protective clothing such as helmets, safety goggles, earplugs, heavy-duty gloves, and special work boots

with reinforced toe. (During the operation, do not wear gloves to reduce the risk in which the operator gets caught with the

Core-Bit.)

CAUTION!

This machine generates sound pressure level of 84 dB(A). Always wear ear protection when working with this

machine.

[4] Do not operate when you are tired or under the influence of any medicine, drugs, and alcoholic beverages.

[5] Consider the work area environment. Do not expose the drill motor to water. Water in the drill motor increases the risk of

electric shock.

[6] Do not operate the machine in the presence of flammable liquids or explosive or combustible gas. Sparks generated by

Armature and Carbon Brushes in the Drill Motor could cause an explosion of fire.

[7] In case of operation in a closed room or basement, make sure that the air is in good condition (plenty of oxygen, no toxic

gas), before operation.

[8] Before operation, do ensure that the Core-Bit is connected with the Spindle of the Drill Motor tightly and securely, so that

the Core-Bit will not come off and not cause damage to persons and property around.

[9] Before operation, do ensure that the Drill Stand is fixed firmly to the surface of drilling object, when using drill stand.

[10] Never use this machine without the Portable Residual Current Device (PRCD), which is equipped in the electric cable.

And inspect it periodically to confirm that it works properly.

[11] Before starting drilling, make sure that there is no live electric cable in the drilling object that the Core-Bit will cut through.

[12] Do not allow other persons to use this machine, unless they have read and understand this manual.

[13] Unintentional start of the Drill Motor is quite dangerous. When the Drill Motor is not in use with the drilling operation, do

ensure that the plug is disconnected from the power source outlet.

[14] If the main power supply gets power failure during operation, turn off the switch immediately in order to avoid the

unintentional start of the Drill Motor.

[15] Protective function of this machine may not work properly when atmosphere temperature is below 0℃ （32°F）or above

40℃ （104°F）. After using in cold temperature, drain out the all the cooling water to avoid possible damage of seals.

SAFETY

[16] When drilling at high level, keep proper footings and balance at all times. Prepare yourself for the kick back, which may

occur when a Core bit gets stuck. Maintain a firm grip, in order not to drop the machine, too. Use extra care when you are

on ladders, roofs, scaffolds, …etc.

[17] When drilling through floors, the core will be likely to fall down from inside of the Core-Bit. Under these circumstances,

provide proper protections for people and property below the coring area. For example, fencing around the particular area

down floor, making the place “KEEP OFF” …etc.

[18] Never yank the cord to disconnect it from the socket. Keep the cord away from heat, oil and sharp edges.

[19] Plug is essential for safety. Never connect directly to distribution board without using a plug for fixed installation.

[20] This machine must not be used for drilling upwards for electrical reasons. When drilling horizontally on the wall, use of

water collection device is highly recommended.

[21] All the services, with the exception of maintenance written in this manual, must be carried out by authorized service center.

[22] Always compare the voltage value on your Core Drill with your proper supply source. The power supply source should not

vary more than 10% from the voltage figure shown on the decal on the drill motor..

[23] Do not operate the machine alone. Make sure you can contact someone in the event of accident.

[24] Do not allow anyone near the machine when starting or operating. Keep bystanders, children, and visitors away from the

machine and cable.

[25] Use common sense and plan your work to avoid injuries. Your own safety as well as the safety of your fellow worker

depends on your carefulness and good judgment during the operation.

[26] Avoid body contact with earthed or grounded surfaces (e.g. pipes, radiators, ranges, refrigerators).

[27] The use of any accessory or attachment other than one recommended in this instruction manual may present a risk of

personal injury.

1.3 IMPORTANT OPERATING INSTRUCTIONS

WARNING!!

Following instructions are essential measures that the operators must take.

[1] Ensure that the adequate water is supplied to the Core-Bit during operation, unless Dry-Bit is used. Do not allow

excessive heat to be generated at segments of the Core-Bit. The overheat may result in breakage of the segments, and

may lead to injury of the operator.

[2] Do not block the cooling air inlets of the Drill Motor. If the inlets are blocked, the cooling might be insufficient and the Drill

Motor could burn.

[3] Do not let water get into the Drill Motor. The water in the motor can decrease the insulation capacity and the Drill Motor

could burn out. Also, do not expose the Drill Motor to rain or snow.

[4] Do not push the Core-Bit too hard. Too much pressure on the Core-Bit will decrease the drilling capacity and might burn

the Drill Motor.

[5] When using with Drill Stand, make sure the Carriage Block (Feed House) is properly adjusted and that the tool is in line

with the Drill Stand, before start drilling. When you adjust it, make sure the plug is disconnected from the main power

source.

[6] Check for damaged parts. Inspect guards and other parts before use. Check for misalignment, binding of moving parts,

improper mounting, broken parts, and any other conditions that may affect operation. If abnormal noise or vibration

occurs, turn off the machine immediately and have the problem corrected before further use. Do not use a damaged

machine as it is. Tag damaged machine “DO NOT USE” until repaired or replaced by an authorized service center unless

otherwise indicated in this manual.

[7] Maintain tools carefully. Keep handle and grip dry, clean, and free from oil and grease. Keep cutting edges sharp and

clean. Follow instructions for lubricating and changing accessories. Periodically inspect the machine’s cord for damage.

Have damaged parts repaired or replaced by authorized service center. If the switch does not turn on it on and off, do not

use the tool. Have defective switches replaced by an authorized service center.

[8] When the tool is used outdoors, use only extension cord intended use for outdoors use and so marked.

[9] When not in use, store the machine in a dry secured place. Keep out of reach of children.

CAUTION!

[1] Maintain Labels and Name Plates. These carry important information. If unreadable or missing, contact Shibuya’s

authorized service center.

[2] TROUBLE SHOOTING – WHEN YOUR CORE-BIT IS JAMMED

Never turn on the switch till the Core-Bit is released if your Core-Bit is jammed during operation, because it will lead to

fatal damage of electrical parts in the Drill Motor. (Refer to 12.0 TROUBLESHOOTING for more details.)

[3] TROUBLE SHOOTING – WHEN CIRCUIT PROTECTOR TRIPS FREQUENTLY

Wait until temperature of bi-metal in the Circuit Protector is cooled down. If you try to continue drilling it may result in the

burn of the Circuit Protector. (Refer to 12.0 TROUBLESHOOTING and 6.0[1] OVERLOAD SWITCH & CIRCUIT

PROTECTOR for more details.)

GENERAL DESCRIPTION & SPECIFICATIONS

2.0 GENERAL DESCRIPTION & SPECIFICATIONS

In this chapter, the purpose of this machine, name of the parts, specifications, and contents of standard accessories,

such as Tool-Kit, are explained.

2.1 GENERAL DESCRIPTION

This machine is used for the following applications;

1) Drilling in reinforced concrete, rock and masonry for piping works such as air conditioner, electricity,

telephone, gas, water, and so on. Overall drilling in reinforced concrete, except drilling in upwards.

2.2 SPECIFICATIONS 2.3 STANDARD ACCESSORIES

Remarks:

1. Rated Current is the amperage with which this drill is designed to work most efficiently.

2.The weight includes plug, PRCD, Grease with a thread adaptor and 1-UNC threaded Dia.65xL.250mm Shibuya core bit is 8.8Kg.

Model Name RH1531

Spindle Rev at No-Load (min-1) 800/2000/4150

Spindle Rev at Rated Load (min-1) 560/1400/2900

Voltage (V) 110-120

Rated Input (W) 1500

Rated Current (A) 13

Max Input by Amperage (A) 15

Spindle Thread G 1/2” (BSPP 1/2”)

Weight (excl. Plug, Cable, PRCD

and Grease) (Kg) 6.5 (15lbs)

Item Size Qty.

Single-End Spanner 32mm 1

Single-End Spanner 36mm 1

Adaptor G1/2-UNC 1 1/4-7 1

Adaptor G1/2-5/8-11 1

UNPACKING

3.0 UNPACKING

After unpacked, in the first place, be sure to check for any damage of the drill motor. And then check the contents of

tool bag.

GROUNDING INSTRUCTION

4.0 GROUNDING INSTRUCTION

This machine must be connected to a properly grounded outlet. If the tool should electrically malfunction or

breakdown, grounding provides a low resistance path to carry electricity away from the operator, reducing the risk of an

electric shock.

PORTABLE RESIDUAL CURRENT DEVICE (PRCD)

5.0 PORTABLE RESIDUAL CURRENT DEVICE (PRCD)

According to the European standards EN61029-1 and IEC 1029-2-6, the electrical connection of diamond core drills

with water supply must be operated via a residual current device (RCD or PRCD).

DANGER!!!

Note that you have a potential hazard that the drill may cut a live electric cable hidden in the drilling

object. To reduce shock hazard, use Residual Current Device (RCD), or Ground Fault Circuit Interrupter

(GFCI), or Insulation Transformer. Connection to main power supply must be made using one of these

devices.

RH1531 is equipped with an inline PRCD in between the cable. It cuts off the main power supply to drill motor if it

found an electric leakage, which exceeds 30mA. When it cuts off the main power supply, stop using the drill, do

not touch grounded surface. Have qualified electrician check the job site and the drill. If need, send the drill for

repair.

CAUTION!

Warranty may not be applied for any damage that is found after start using this equipment. It would be

considered to be made by hit.

ARNING!!

Improper connection of the grounding wire can result in the risk of an electric shock.

Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not

modify the plug provided with the machine. If the cord or plug is damaged, have it repaired by a Shibuya’s

authorized service center, before use. If the plug will not fit the outlet, have a proper outlet installed by a

qualified electrician.

FEATURE OF THIS MACHINE

6.0 FEATURE OF THIS MACHINE

[1] OVERLOAD SWITCH AND CIRCUIT PROTECTOR (SWITCH)

This machine is equipped with a Circuit Protector and an overload switch to reduce the risk of damage of the Drill

Motor. The Circuit Protector trips when the Drill Motor is overloaded. Too much feeding pressure will cause the Circuit

Protector and overload switch to trip frequently. And frequent trip may lead to damage on the Drill Motor. Try to operate

so as not to make the Circuit Protector trip. When overload switch tripped the black button near the grip handle will pop

up. When circuit protector trips at rig-mounted mode, it will turn off the main switch. These devices are not reset until it

gets cool. If the overload switch does not stay in or if the main switch does not kept at ON position, wait a few minutes

and try again.

CAUTION!

Do not fit any Circuit Protector or Overload Switch of wrong specification that may cause damage of the

Drill Motor. Use only Circuit Protector of Shibuya’s genuine spare parts. Regarding the specification of the

Circuit Protector, refer to the spare parts list attached in the end of this manual.

CAUTION!

Make sure that core bit is not stuck before restarting from the trip of overload switch or circuit protector.

Otherwise, it may cause an injury or machine damage.

[2] CLUTCH SYSTEM

This machine has an Inner Clutch System to protect gear parts. If Core-Bit is suddenly jammed due to the presence of

piece of iron or similar materials, Spindle and gear parts are subject to severe shock. The Clutch System plays an

important role in such situations by relieving the shock. The Clutch System only operates if the gear parts are subject

to potentially damaging shock.

CAUTION!

The long time operation or operation at heavy-duty construction site would make the Clutch System

loose. If so, have it repaired by Shibuya’s authorized service center.

Do not try to tighten it by yourself.

[3] UNDER-VOLTAGE-DROPOUT

The built-in under voltage dropout in a main switch for rig fixed mode or under-voltage-dropout in the PRCD cuts off

the main power supply when voltage is dropped. The purpose of under-voltage-dropout is initially to avoid the

sudden restart after power failure, secondary to protect operator and machine from under-voltage-condition.

Under-voltage occurs under the following condition.

1) Power supply is insufficient.

2) Too long extension cable is used.

3) The size of extension cable core is insufficient.

4) Electric leakage

CAUTION!

If you failed to start the drill motor, have the condition checked by qualified electrician before sending the

machine for repair.

[4] VARIABLE SPEED CONTROL TRIGGER

At hand held operation, you can adjust the spindle speed by depressing or releasing the trigger. The drill is designed

to generate its full power when the trigger is fully pressed. When you start drilling, you can run the Core-Bit very

slowly. As the Core-Bits segments going into concrete, you can increase the spindle speed gradually. And when you

get a kickback from the jamming Core-Bit, merely releasing the trigger can reduce the machine power.

CAUTION!

At the partial trigger-position, the machine does not generate its intended power. To adjust the peripheral

speed of core bit, please select suitable gear position.

HOW TO OPERATE THIS MACHINE

7.0 HOW TO OPERATE THIS MACHINE

In this chapter, installation of this Drill Motor, and how to operate the machine are explained.

7.1 INSTALLATION OF SIDE HANDLE

To use RH1531 at hand held mode, install the included side handle to the drill nose. Turn the handle to clockwise

to make it tight. To loosen it, turn the handle to counterclockwise. Do not over tighten the side handle.

7.2 CHOOSE PROPER REVOLUTION SPEED

RH1531 has a 3-Speed Gearbox. “H” is a high-speed range, “M” is a middle speed range, and “L” is a low speed

range.

A proper speed range should be decided, based on the diameter drilled. Refer to the following tables. Note this table is

merely reference. Maximum drilling diameter depends on the hardness of concrete, aggregate, size of rebar, drilling

depth etc. However do not exceed the maximum diameter.

Model Speed

Range Hand

Held Rig

Mounted Rev. (No-Load) Drilling Diameter Recommendation

4150min-1 14.5mm to25mm (1/2” – 1”)

2000min-1 27mm to 65mm (1 1/8” – 2 3/8”)

RH1531

800min-1 65mm to 180 mm (2 1/2”-7”)

Before plug into power supply, shift the gear selector to choose

proper gear by turning the spindle of drill by hand.

7.3 ATTACH CORE-BIT

RH1531 has a spindle shaft of G1/2” (BSPP 1/2”) female thread. In order to use the core bit other than G1/2” male

thread, such as 5/8”-11 and 1-1/4”-7, thread adaptor may need to be installed. Refer to following sketch.

Screw in a Core-Bit and an adaptor and tighten them gently with a wrench.

DANGER!!!

Make sure machine is unplugged until all the settings are completed.

DANGER!!!

Never use Speed Range-L at hand held operation. The drill motor generates highest torque at Low gear

range, especially at the moment when core bit gets stuck. Failure to obey this instruction may result in

serious injury.

CAUTION!

Do not shift the gear while the drill motor is running. It may result in

the damage of whole transmission gear system.

TIPS!

Lubricate the thread of the Spindle with some grease and

then attach the Core-Bit. The lubricant on the thread makes

Core-Bit removal easier after drilling.

CAUTION!

The gear must be shifted when the Drill Motor completely stops its revolution. If the gear is not shifted

well, shift the gear while rotating the Spindle by hand.

Lubricate

HOW TO OPERATE THIS MACHINE

7.4 PREPARATION FOR WATER SUPPLY (WET DRILLING)

1) Attach a hose from tap or water tank to the Water Cock of the Drill

Motor.

2) Ensure that the hose is not entangled in the Core-Bit. If any problem,

rotate the Swivel Ring and adjust the direction.

3) Ensure that the hose is connected firmly.

4) Ensure that the hose has an enough length.

US models can be connected to Gardena type female coupling.

7.5 PRECAUTION FOR DRY DRILLING

RH1531 is designed for dry drilling, too. However, do not suck up the cut powder through water hose connection.

Use optional vacuum system in which special dust collection ring is included to connect a hose to suck up the cut

powder from outside core bit tube.

7.6 PRECAUTION BEFORE OPERATION

Be sure to confirm the followings before plug in.

[1] General

1) Ensure that the operator reads and understands this manual perfectly.

2) Ensure that the operator wears proper protective clothing, such as helmet, safety boots, and earplugs. And

long hair must be tied up. During operation, do not wear gloves.

[2] Electrical Safety Precaution

1) Check whether there is any damage at plug, cord, and power outlet, before plug in.

If there is any damage, have it repaired or replaced by a qualified electrician.

2) Secure the outlet so as to match the nameplate voltage. If the voltage is below requirements, current is likely

to increase and it makes the Circuit Protector trip frequently.

3) Secure an enough current (more than 20 Amps) for this machine.

4) Extension cord must have an adequate size (more than 1.5 mm2) for this machine to prevent power loss or

overheating.

5) Never use this machine without the Portable Residual Current Device (PRCD), or Ground Fault Circuit

Interrupter (GFCI) or Insulation Transformer. And test these devices before use.

6) Do not use this machine under the circumstances where operator or machine may get wet.

[3] TESTING PRCD

1) Confirm that you never hold the variable trigger switch when you try to turn on the PRCD.

2) Press ON (I) button on PRCD and confirm red glow light turns on.

3) Press TEST (O) button and confirm red glow light turns off.

4) Press ON(I) again. Then you are ready to use RH1531.

5) If PRCD does not trip when you press TEST(O) button or if it trips frequently during operation, stop

using RH1531 and send it for repair.

CAUTION!

Do not supply water till you start drilling.

Do not re-use the water from drainage that may cause the damage of

the Drill Motor.

Do not use High Pressure Water. Maximum water pressure is 44PSI.

HOSE

HOW TO OPERATE THIS MACHINE

7.7 OPERATING PROCEDURE BY HAND HELD

Operating procedure is written below.

1) Insert the plug into power outlet. Turn on PRCD after testing it.

2) Turn the Water Cock to supply water.

3) Hold the drill firmly and touch the drilling object gently with the core bit at slight

angle.

4) Pull the variable trigger switch a little and cut a shallow groove of approx. 3mm

(1/8”) depth.

5) Align the drill at 90 degree against the drilling object. Pull the trigger deeply to raise the spindle speed and

power.

6) Continue to apply moderate pressure, so as not to trip the overload switch.

7) While drilling pay attention to keep 90 degree against drilling object.

8) When you reach the desired depth, (or penetrate the object), pull out the drill.

9) Release the variable trigger and stop supplying water. Then disconnect from main power supply.

7.8 OPERATING PROCEDURE WITH DRILL STNAD

RH1531 is designed as a multi-purpose drill, which can be used with drill stand as

well. There are two ways to fix RH1531 to our optional stand.

One is to use with 60mm Clamp Ring Spacer shown with the illustration. In this

way, the drill motor can be installed quickly by tightening the two bolts.

The other way is to bolt it via 30mm thick bolt-on spacer to carriage. In this way,

you will have more stability when you drill with angle base or when you drill bigger

diameter core bit. And it makes the distance between spindle-center to wall

minimum. It is effective, when you want to drill small diameter hole closer to wall.

For the dimensions with TS-162 drill stand with RH1531, please refer to the

annexed drawings at the end of this handling manual.

When you use drill stand, which you purchased as complete drill machine, as

TS-162 with R1521 or TS-132 with R1511. There are several variations of the

column length. For the 1000mm column model, please add 200mm to carriage

stroke. For the 600mm column model, deduct 200mm from carriage stroke.

1) Before you install RH1531, to drill stand, you may need to change water hose

position. If so, unscrew the Hex. Socket Plug with 6mm Allen Key and disassemble

the hose with spanner and replace the position.

If you find water leakage from hose joint or Hex socket Plug, put PTFE seal tape on

it.

WARNING!!

When you penetrate the drilling object, confirm the proper protection for people and property is prepared

at down floor. (Or at the opposite side of the wall.)

DANGER!!!

Do not apply much force (to handle for feeding) at starting. Much pressure on the Core-Bit at starting may

let the segments of the Core-Bit come off, and it may cause an injury.

ARNING!!

If the core bit gets stuck or jammed during operation, do not try to free it by switching on/off the drill

motor. Disconnect the motor from main power supply and loosen it by a spanner. Failure to obey this

instruction may result in injury or machine damage.

HOW TO OPERATE THIS MACHINE

2) When using with drill stand, use the switches inside cover. Then you do not need to hold the variable trigger.

3) Open the switch cover, unscrew the screw with plus screwdriver.

4) There are two rocker switches inside the cover. One is circuit protector (ON OFF switch). And the other is

mode-change switch. Turn mode change switch to left to choose Rig Mounted Mode, then variable trigger does

not work. Finally press circuit protector (ON OFF switch) on to start drill motor.

As to the operation procedure including base plate installation, leveling bolts adjustment, refer to the handling manual

of drill stand to be used.

ARNING!!

Never use the Rig Mounted mode switches at Hand held operation. Failure to obey this warning may

result in serious injury. When not in use, set to Hand Held mode and close the cover with screw.

MAINTENANCE

8.0 MAINTENANCE

WARNING!!

Always disconnect machines from power supply before starting any maintenance, cleaning, and

inspection.

8.1 REPLACEMENT OF CARBON BRUSHES

1) Loosen a screw with a plus-screwdriver, and remove a Brush Cover.

2) Disconnect a Fasten Terminal of the Carbon Brush from the Brush Holder with a minus-screwdriver.

3) Pick up a spring, and take out a Carbon Brush with holding the spring by your finger.

4) If the Carbon Brush is worn (remaining length becomes less than 5mm), replace it with new one.

5) Insert a Carbon Brush into the Brush Holder with the Lead Wire’s side up.

6) Release the spring to the center of the Carbon Brush.

7) Connect the Fasten Terminal of the Lead Wire to the Brush Holder.

8) Fix the Brush Cover with the screw. Pay attention not to pinch the Lead Wire with the Brush Cover.

Loosen the Screw Remove the Brush Cover Take out the Carbon Brush

Carbon Brush Cover Carbon Brush Spring Fasten Terminal

5mm

MAINTENANCE

8.2 REPLACEMENT OF OIL SEAL

When Oil Seals (Water Seals) are worn out, water would be leaked from a small

hole on water hose connection’s plug hole.

If you find the water leakage, bring your machine to your nearest Shibuya’s

authorized dealer to have the Oil Seal replaced.

NOTE

Replace both sides of Carbon Brushes at the same time. Till new Carbon Brushes get accustomed with

the commutator portions of Armature, do not apply much force when drilling. Use only Shibuya’s genuine

Carbon Brushes for replacement.

CLEANING

9.0 CLEANING

WARNING!!

Always disconnect machines from power supply before starting any maintenance, cleaning, and

inspection.

Clean any dust and debris from vents. Keep the machine handles clean, dry and free of oil or grease. Use only mild

soap and a damp to clean the machine, since certain cleaning agents and solvents are harmful to plastics and other

insulated parts.

Some of these include: gasoline, turpentine, lacquer, thinner, paint thinner, chlorinated cleaning solvents, ammonia

and household detergents containing ammonia.

Never use flammable or combustible solvents around machines.

WARNING!!

To reduce the risk of injury, electric shock, and damage to the machine, never immerse your machine in

liquid or allow a liquid to flow inside the machine.

Cleaning procedure is as per followings.

1) Ensure that the machine is unplugged from power supply, before you start cleaning.

2) Detach the Core-Bit from the machine, and then wash it with water.

3) Wipe with a damp cloth.

4) Wipe other portion with dry cloth.

STORAGE

10.0 STORAGE

When not in use, store the machine in a dry secured place. Keep out of reach of children.

Never store it in a humid place for electrical reasons.

DAILY INSPECTION

11.0 DAILY INSPECTION

Inspect the following portions before you start using the machine.

Parts to be

Inspected How to inspect Condition Remedy Remarks

Name Plate /

Caution

Plate Visual Inspection Can not read / Peel Off Replace with new one.

Plug Visual Inspection Broken Replace with new one.

Cable Cord Visual Inspection Inner electric cable is exposed Replace with new one.

Oil Seal Connect a water supply

with the Water Cock and

test the leakage. Water leaks from the small hole

on the Fixing Ring Replace with new ones. Ref. Page 12

11.2 OTHER INSPECTION

Inspect the remaining length of the Carbon Brushes every 100 hours operation.

For the procedure for the inspection, refer to 8.1 REPLACEMENT OF CARBON BRUSHES.

WARNING!!

Always disconnect machines from power supply before starting any maintenance, cleaning, and

inspection.

TROUBLESHOOTING

If you have any troubles during operation, refer to the followings.

Troubles What to do first Possible Causes Countermeasures

Fragments of iron or stone Is jammed

between the Core-Bit and the drilled

core.

Take the following procedures in order.

(1) Disconnect Core-Bit from Motor

(2) Rotate the Core-Bit with a Spanner.

(3) Pull out the Core-Bit with the Tool to take

out bit *1 from the concrete. And the, get

rid of the fragments.

(4) Crack around the Core-Bit with a Power

Tool like a Hammer Drill.

Core-Bit is

jammed.

(1) Turn off the switch.

(2) Unplug the Machine

from a power source.

(3) Check the possible

causes written in the

right side columns.

Segments of Core-Bit are worn out. Replace the Core-Bit with new one.

(1) Turn off the switch.

(2) Unplug the Machine

from a power source.

(3) Check the drained

water.

The Machine is cutting rebar if iron

powder is shown in the drained water Resume the operation, and take care not to

push the Core-Bit too hard.

Segments are worn out. Replace the Core-Bit with new one.

Diamonds on segments are invisible.

(Segments are glazed.) Drill bricks, or grind the Segments with

abrasives so that the Diamonds can appear

on the surface of the Segments.

(1) Turn off the switch.

(2) Unplug the Machine

from a power source.

(3) Check the Core-Bit.

Concrete slurry is stuck between the

segments. Increase the amount of cooling water or grind

the segments with abrasives.

Carriage Block has a play on the

Column. Adjust the Carriage Block.

Spindle Shaft of the Motor is bent. Have the Spindle replaced by Shibuya's

authorized dealer.

Drilling

performance

goes down.

(1) Turn off the switch.

(2) Unplug the Machine

from a power

source.

(3) Check the possible

causes written in

the right side

columns.

The tube of the Core-Bit is out of

shape. Replace the Core-Bit with new one.

(1) Check PRCD is ON or

OFF. PRCD is OFF. Turn PRCD ON.

The Variable

Trigger does

not work. (2) Check the mode

change switch inside

switch cover Mode Change switch is turned to Rig

Mount-Mode. Turn it to Hand-Held Mode.

*1 The Tool to take out bit is available as an optional item, which enables you to take out easily the jammed Core-Bit from the

concrete by the driving force of its threads.

SCHEMATIC DRAWINGS WITH SPARE PARTS LISTS

POS PART NAME QTY P/N: POS PART NAME QTY Code #

2 Handle Grip - Side Handle 1 150498 42 AVAILABLE AS POS 125

3 Holder Cover 044401 1 N/A 43 SLIP CLUTCH ASSY. WITH GEARS

4 U-Nut 1 150704 44 P/N: 150508

5 Hex. Bolt 044402 1 N/A 45

6 Nut – Side Handle 044403 1 N/A 46

7 Band - Side Handle 1 151454 47

8 Snap Ring 1 150169 48 Shim Ring 1 150820

9 Spindle G 1/2 1 150847 49 Rubber Gasket 1 150439

10 Ball Bearing 1 150170 50 Bearing 1 150848

11 Snap Ring-C 1 150307 51 Gear Case Diaphragm 044427 1 N/A

12 O-Ring 2 150171 52 O-Ring 1 150440

13 Seal Ring 1 150172 53 Ball Bearing HP 1 150441

14 Spring Pin 1 150173 54-1 Armature 100V 042151 1 N/A

15 Oil Seal 2 150174 54-2 Armature Assembly w/bearings 110-120V - 150454

16 Hex Socket Plug 2 150266 54-3 Armature 220-240V 042223 - N/A

17 Gear Case, Nose RH1531 1 150853 55 Collar 1 150100

18 Ball Bearing 1 150175 56 Ball Bearing 1 150101

19 Oil Seal 1 150176 57 Fan Casing 1 150102

20 Metal Bush 1 150850 58 Self-Tapping Screw Pan Head 2 150103

21 No. 8 Gear 1 150854 59-1 Field Coil 100V - N/A

22 Snap Ring-S 1 150437 59-2 Field Coil 110-120V 1 150104

23 Parallel Key 2 150817 59-3 Field Coil 220-240V - 150940

24 No. 6 Gear 1 150816 60 Motor Housing 1 150864

25 No. 4 Gear 1 150855 61 Model Name Decal 044431 1 N/A

26 Metal Bush 1 150177 62 Plain Washer 4 150837

27 Snap Ring-C 1 150818 63 Spring Washer 4 150838

28 Ball Bearing 1 150576 64 Hex. Socket Bolt 4 150839

29 Cover 1 150857 65 Cover for Overload 1 150499

30 Screw Truss 3 150858 66 Caution Decal 043108 1 N/A

31 O-Ring 1 150629 67 Hex. Socket Bolt 2 150834

32 Shifting Knob 1 150630 68 Hex. Socket Bolt 2 150835

33 Joint 005413 1 N/A 69 Tapping Screw Pan head 4 150602

34 Hose 005448 1 N/A 70 Grip-R 1 150457

35 Hose Socket 005415 1 N/A 71 Insulator 1 151107

36-1 Water Cock -SHIBUYA 1 150456 72-1 Variable Trigger 100-120V 1 150442

36-2 Water Cock -GARDENA 1 150318 72-2 Variable Trigger 220-240V - 151714

36-3 Water Cock Body 044039 - N/A 73 Dust Proof Rubber 1 150443

36-4 Packing 044039 - N/A 74 Air Bubble Level 1 150446

36-5 Screw Nipple Gardena - N/A 75 Grip-L 1 150458

36-6 O-Ring - N/A 76 Cable Sleeve 1 150126

37 Grooved Pin 1 150856 77 Dust Cover - Trigger 1 150444

38 Hex. Socket Bolt 1 150631 78 Air Bubble Level (Round) 1 150445

39 Spring Washer 3 150072 79-1 Overload Switch 100V 1 N/A

40 Lever Assy. 1 150633 79-2 Overload Switch 110-120V - 150447

SCHEMATIC DRAWINGS WITH SPARE PARTS LISTS

POS PART NAME QTY P/N: POS PART NAME QTY P/N:

79-3 Overload Switch.220-240V - 151715 115 Screw Pan head w/SW 1 150276

80 Brush Holder 2 150065 116-1 Plug+Cable+PRCD 044468 1 N/A

81 Screw Truss PC 2 150066 116-2 Plug+Cable+PRCD 1 150494

82-1 Carbon Brush 100-120V 2 151668 116-3 Plug+Cable+PRCD 044470 - N/A

82-2 Carbon Brush 220-240V - N/A 116-4 Plug+Cable+PRCD - 150479

83 Brush Cover 2 150068 116-5 Plug+Cable+PRCD 042783 - N/A

84 Tapping Screw Pan Head 2 150601 120 No.8 Gear with Metal Bush 044472 - N/A

85 Caution Sticker 110-240V 1 151505 121 No.4 Gear with Metal Bush 044473 - N/A

86-1 Serial Decal (S) 100V 1 N/A 122 No.2 Gear with Metal Bush 044474 - N/A

86-2 Serial Decal (S) 110-120V 044447 - N/A 123 Diaphragm w/Needle Beearing - 150859

86-3 Serial Decal (S) 220-240V 044448 - N/A 124-1 Armature Assy 100V - N/A

87 Fasten Terminal 250 3 150290 124-2 Armature Assy 110-120V - 150454

88 Cap 250 3 150291 124-3 Armature Assy 220-240V 044478 - N/A

89 Fasten Terminal 187 044449 6 N/A 125 Slip Clutch Assy w/Gears - 150508

90 Cap 187 044450 6 N/A 126 Side Handle Assy - 150455

91 Fasten Terminal Flag 250 2 150819 127 Water Hose Assy -Shibuya - 150456

92 Cap Flag 250 2 151106 128 Water Hose Assy -Gardena - 150318

93 Fasten Terminal Flag 187 1 151108 129 Long Nut 044911 1 N/A

94 Cap Flag 187 1 151109 130 Coil Spring 044972 N/A

95 Cable Tie 005990 2 N/A 131 Water Hose Assy-Gardena+SP - 150456

96 Terminal w/Insulation 044453 2 N/A 132 Water Hose Assy–Shibuya+SP 044973 - N/A

97 Lead Wire 044454 1 N/A

98 Cord Clamp 1 150761

99 Tapping Screw Pan Head 2 150760

100 Cover Switch Box 1 150448

101-1 Caution Decal EN ES F JP 1 150449

101-2 Caution Decal DK EN FIN NO 044457 - N/A - GARDEN HOSE QUICK CONNECT -

BRASS 150590

102 Terminal 1 150860 - GREASE, TUBE - RH1531 2 151082

103 Switch Case 1 150861

104-1 Circuit Protector 100V - N/A

104-2 Circuit Protector 110-120V 1 150120

104-3 Circuit Protector 220-240V - 150331

105 Rocker Switch 1 150450

106 Dust Cover 1 150451

107 Tapping Screw Pan Head 2 150862

108 Insulation Tube 042174 1 N/A

109 Condenser 1 150293

110 Closed End Connector 2 151103

111 Instruction Decal 1 150452

112 Tapping Screw Pan Head 1 150453

113 Tapping Screw Pan Head 2 150863

114-1 Serial Decal 100V - N/A

114-2 Serial Decal 110-120V (inch) 044465 1 N/A

114-3 Serial Decal 110-120V 044466 - N/A

114-4 Serial Decal 220-240V 044467 - N/A

Annex: Dimensions with Optional Drill Stand

DIMENSIONS RH1531+TSH163 Drill Stand CL800

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Shibuya RH1531 Operator's Instruction Manual

Brand: Shibuya

Model: RH1531

Type: Operator's Instruction Manual

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Shibuya RH1531 Operator's Instruction Manual

Shibuya RH1531 Operator's Instruction Manual

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